am e64c3eca: Add stdatomic.h to clang includes directly for the host.

* commit 'e64c3eca4e74afb6b197cc2d0cd7968c0063c63b':
  Add stdatomic.h to clang includes directly for the host.
tree: b9765655b28dee215f522ca684d71bab2101af09
  1. bin/
  2. lib/
  3. update.sh